# Relationship history for MSHA mine 1519367

Current hierarchy: **James R  Banks → T & J Coal Brokers Inc. → Beetree Refuse Pile**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** T & J Coal Brokers Inc. → Beetree Refuse Pile; 2009-01-07 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James R  Banks et al → Beetree Refuse Pile; 2009-01-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James R  Banks et al → T & J Coal Brokers Inc.; 2009-01-07 to current/open; source msha-controller-operator-history